Microwave Communication The antenna separations (in meters) required for optimum operation of a space diversity system can be calculated from:where R = effective earth radius (m) and L = path length (m) S = λR/L S = λR/RL S = 3λR/L S = 2λR/L S = λR/L S = λR/RL S = 3λR/L S = 2λR/L ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Propagation Modulation Attenuation Radiation Propagation Modulation Attenuation Radiation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Large reflector Further reflector Small reflector Nearer reflector Large reflector Further reflector Small reflector Nearer reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. LORAN SONAR Echosounder Fathometer LORAN SONAR Echosounder Fathometer ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by Narrowing the beam width and increasing the pulse duration Lowering the pulse frequency Raising the peak power of the transmitter All of these Narrowing the beam width and increasing the pulse duration Lowering the pulse frequency Raising the peak power of the transmitter All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The main frequency determining element of a klystron is Its resonant cavity The accelerating voltage The repeller voltage Its mode of operation Its resonant cavity The accelerating voltage The repeller voltage Its mode of operation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS